On last night’s Colbert Report, audiences got to see an unusual sight. To promote the movie Frank, Michael Fassbender took to the stage wearing Frank’s giant fake head, to perform the song ‘I Love You All.’ In fact, the whole band from the film is here: Maggie Gyllenhaal and Domhnall Gleeson on synth and keys, Carla Azar on drums, and Francois Civil on guitar complete the Soronprfbs lineup. (Yeah, that’s the band’s in-movie name.) Watch the performance below; it’s a unique way to enjoy Fassbender’s work.